sid/NazaraEngine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Graphics: Add support for multi-viewer rendering (a bit hacky)

Browse Source
This commit is contained in:
Jérôme Leclercq
2021-11-13 20:08:03 +01:00
parent 342c053faa
commit ecd1e43890
8 changed files with 80 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/Nazara/Graphics/ForwardFramePipeline.cpp
View File

@@ -136,8 +136,6 @@ namespace Nz
// Update UBOs and materials
UploadPool& uploadPool = renderFrame.GetUploadPool();
bool prepare = false;
renderFrame.Execute([&](CommandBufferBuilder& builder)
{
builder.BeginDebugRegion("UBO Update", Color::Yellow);
@@ -336,6 +334,7 @@ namespace Nz
m_bakedFrameGraph.Execute(renderFrame);
m_rebuildFrameGraph = false;
m_viewerPerTarget.clear();
const Vector2ui& frameSize = renderFrame.GetSize();
for (auto&& [viewer, viewerData] : m_viewers)
{
@@ -344,13 +343,25 @@ namespace Nz
viewerData.prepare = false;
const RenderTarget& renderTarget = viewer->GetRenderTarget();
m_viewerPerTarget[&renderTarget].push_back(&viewerData);
}
for (auto&& [renderTargetPtr, viewerDataVec] : m_viewerPerTarget)
{
Recti renderRegion(0, 0, frameSize.x, frameSize.y);
const ShaderBindingPtr& blitShaderBinding = viewerData.blitShaderBinding;
const std::shared_ptr<Texture>& sourceTexture = m_bakedFrameGraph.GetAttachmentTexture(viewerData.colorAttachment);
const RenderTarget& renderTarget = *renderTargetPtr;
const auto& viewers = viewerDataVec;
renderFrame.Execute([&](CommandBufferBuilder& builder)
{
builder.TextureBarrier(PipelineStage::ColorOutput, PipelineStage::FragmentShader, MemoryAccess::ColorWrite, MemoryAccess::ShaderRead, TextureLayout::ColorOutput, TextureLayout::ColorInput, *sourceTexture);
for (const ViewerData* viewerData : viewers)
{
const std::shared_ptr<Texture>& sourceTexture = m_bakedFrameGraph.GetAttachmentTexture(viewerData->colorAttachment);
builder.TextureBarrier(PipelineStage::ColorOutput, PipelineStage::FragmentShader, MemoryAccess::ColorWrite, MemoryAccess::ShaderRead, TextureLayout::ColorOutput, TextureLayout::ColorInput, *sourceTexture);
}
std::array<CommandBufferBuilder::ClearValues, 2> clearValues;
clearValues[0].color = Color::Black;
@@ -363,12 +374,16 @@ namespace Nz
{
builder.SetScissor(renderRegion);
builder.SetViewport(renderRegion);
builder.BindPipeline(*graphics->GetBlitPipeline());
builder.BindVertexBuffer(0, *graphics->GetFullscreenVertexBuffer());
builder.BindShaderBinding(0, *blitShaderBinding);
builder.Draw(3);
for (const ViewerData* viewerData : viewers)
{
const ShaderBindingPtr& blitShaderBinding = viewerData->blitShaderBinding;
builder.BindShaderBinding(0, *blitShaderBinding);
builder.Draw(3);
}
}
builder.EndDebugRegion();
}
@@ -503,9 +518,8 @@ namespace Nz
});
}
//FIXME: This doesn't handle multiple window viewers
for (auto&& [viewer, viewerData] : m_viewers)
frameGraph.SetBackbufferOutput(viewerData.colorAttachment);
frameGraph.AddBackbufferOutput(viewerData.colorAttachment);
return frameGraph.Bake();
}